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Finding the Fourth Proportional to 67,808.66, 101,699.09 and 25,674.21

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Solution

The fourth proportional to 67,808.66, 101,699.09 and 25,674.21 is: 38,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.66 : 101,699.09 = 25,674.21 : x
  2. Step 2: Convert to fraction form
    67,808.66/101,699.09 = 25,674.21/x
  3. Step 3: Cross multiply
    67,808.66x = 101,699.09 × 25,674.21
  4. Step 4: Simplify right side
    67,808.66x = 2,611,043,284.97
  5. Step 5: Solve for x
    x = 2,611,043,284.97/67,808.66
  6. Step 6: Final answer
    x = 38,506.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.